Finding the Fourth Proportional to 272,671.20, 376,261.20 and 201,090.60
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Solution
The fourth proportional to 272,671.20, 376,261.20 and 201,090.60 is: 277,486.55
Step by Step Solution
- Step 1: Write the proportion equation
272,671.20 : 376,261.20 = 201,090.60 : x - Step 2: Convert to fraction form
272,671.20/376,261.20 = 201,090.60/x - Step 3: Cross multiply
272,671.20x = 376,261.20 × 201,090.60 - Step 4: Simplify right side
272,671.20x = 75,662,590,464.72 - Step 5: Solve for x
x = 75,662,590,464.72/272,671.20 - Step 6: Final answer
x = 277,486.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.